Smoke and heat detector



FIG. 1 is a perspective view of the smoke and heat detector.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a first side elevation view thereof, the opposing side view being a mirror image thereof.

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The rear view of the smoke and heat detector illustrated in FIGS. 1-5 is hereby disclaimed and forms no part of the claimed design. 

CLAIM The ornamental design for a smoke and heat detector, as shown and described. 